Magnesium Titanium Comparison
Periodic Table
Symbol
Mg
Ti
Group Number
2
16
4
14
Period Number
3
4
Block
s block
d block
Element Family
Alkaline Earth
Transition Metal
CAS Number
7439954
99+
7440326
99+
Space Group Name
P63/mmc
P63/mmc
Space Group Number
194.00
5
194.00
5
Facts
Interesting Facts
- Magnesium ions are present in every chlorophyll of every green plant .
- Controlling Magnesium fire by pouring water on it will result in explosions.
- The only metal which burns in Nitrogen is Titanium.
- Titanium is also known as corrosion resistant metal.
Sources
By Electrolysis Process, In Ocean, Mining
Found in Minerals, Mining
History
Who Discovered
Joseph Black
W. Gregor & J. Berzelius
Discovery
In 1755
In 1791
Abundance
Abundance In Universe
6 * 10-2 %
2
3 * 10-4 %
9
Abundance In Sun
~0.07 %
2
~0.0004 %
9
Abundance In Meteorites
12.00 %
2
0.05 %
11
Abundance In Earth's Crust
2.90 %
4
0.66 %
7
Abundance In Oceans
0.13 %
2
0.00 %
15
Abundance In Humans
0.03 %
4
Not Available
Uses
Uses & Benefits
- Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
- It is also used to remove sulfur from the molten iron and steel.
- Its alloys are used in spacecraft, aircraft and ammunition industry.
- Its pipes are used in distillation plants, submarines, hulls of big ships, etc.
Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Medical Uses
NA
Dentistry, Surgical Instruments Manufacturing
Other Uses
Surgical Instruments Manufacturing
Alloys, Jewellery, Sculptures, Statues
Biological Properties
Toxicity
Non Toxic
Non Toxic
Present in Human Body
Yes
Yes
In Blood
37.80 Blood/mg dm-3
5
0.05 Blood/mg dm-3
16
In Bone
1,800.00 p.p.m.
4
Not Available
Physical Properties
Melting Point
650.00 °C
99+
1,660.00 °C
18
Boiling Point
1,107.00 °C
99+
3,287.00 °C
22
Appearance
Physical State
Solid
Solid
Color
Gray
Silvery Gray-White
Luster
NA
Metallic
Hardness
Mohs Hardness
2.50
14
6.00
6
Brinell Hardness
260.00 MPa
36
716.00 MPa
15
Vickers Hardness
Not Available
830.00 MPa
14
Speed of Sound
4,940.00 m/s
11
5,090.00 m/s
9
Optical Properties
Reflectivity
74.00 %
7
Not Available
Allotropes
No
No
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Chemical Properties
Chemical Formula
Mg
Ti
Isotopes
Known Isotopes
15
24
23
16
Electronegativity
Pauling Electronegativity
1.31
31
1.54
26
Sanderson Electronegativity
1.32
18
1.09
20
Allred Rochow Electronegativity
1.23
25
1.32
23
Mulliken-Jaffe Electronegativity
1.37
16
Not Available
Allen Electronegativity
1.29
35
1.38
32
Electropositivity
Pauling Electropositivity
2.69
23
2.46
28
Ionization Energies
1st Energy Level
737.70 kJ/mol
24
658.80 kJ/mol
39
2nd Energy Level
1,450.70 kJ/mol
99+
1,309.80 kJ/mol
99+
3rd Energy Level
7,732.70 kJ/mol
5
2,652.50 kJ/mol
99+
4th Energy Level
10,542.50 kJ/mol
4
4,174.60 kJ/mol
32
5th Energy Level
13,630.00 kJ/mol
3
9,581.00 kJ/mol
5
6th Energy Level
18,020.00 kJ/mol
3
11,533.00 kJ/mol
6
7th Energy level
21,711.00 kJ/mol
3
13,590.00 kJ/mol
6
8th Energy Level
25,661.00 kJ/mol
3
16,440.00 kJ/mol
8
9th Energy Level
31,653.00 kJ/mol
3
18,530.00 kJ/mol
11
10th Energy Level
35,458.00 kJ/mol
5
20,833.00 kJ/mol
15
11th Energy Level
169,988.00 kJ/mol
1
25,575.00 kJ/mol
14
12th Energy Level
189,368.00 kJ/mol
1
28,125.00 kJ/mol
14
13th Energy Level
Not Available
76,015.00 kJ/mol
1
14th Energy Level
Not Available
83,280.00 kJ/mol
2
15th Energy Level
Not Available
90,880.00 kJ/mol
3
16th Energy Level
Not Available
100,700.00 kJ/mol
4
17th Energy Level
Not Available
109,100.00 kJ/mol
5
18th Energy Level
Not Available
117,800.00 kJ/mol
6
19th Energy Level
Not Available
129,900.00 kJ/mol
7
20th Energy Level
Not Available
137,530.00 kJ/mol
9
Electrochemical Equivalent
0.45 g/amp-hr
99+
0.45 g/amp-hr
99+
Electron Work Function
3.66 eV
29
4.33 eV
17
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility
Chemical Stability, Ionization
Atomic Properties
Atomic Number
12
99+
22
99+
Electron Configuration
[Ne] 3s2
[Ar] 3d2 4s2
Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
Crystal Lattice
HCP-Crystal-Structure-of-Magnesium.jpg#100
HCP-Crystal-Structure-of-Titanium.jpg#100
Atom
Number of Protons
12
99+
22
99+
Number of Neutrons
12
99+
26
99+
Number of Electrons
12
99+
22
99+
Radius of an Atom
Atomic Radius
160.00 pm
27
147.00 pm
34
Covalent Radius
141.00 pm
99+
160.00 pm
30
Van der Waals Radius
173.00 pm
37
200.00 pm
28
Atomic Weight
24.31 amu
99+
47.87 amu
99+
Atomic Volume
13.97 cm3/mol
37
10.64 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
40.00 (-eV)
99+
95.20 (-eV)
10
Lattice Constant
320.94 pm
99+
295.08 pm
99+
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
Not Available
Mechanical Properties
Density
Density At Room Temperature
1.74 g/cm3
99+
4.51 g/cm3
99+
Density When Liquid (at m.p.)
1.58 g/cm3
99+
4.11 g/cm3
99+
Tensile Strength
Not Available
434.00 MPa
9
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 2000 K
Not Available
0.98 (Pa)
14
Elasticity properties
Shear Modulus
17.00 GPa
37
44.00 GPa
17
Bulk Modulus
45.00 GPa
25
110.00 GPa
15
Young's Modulus
45.00 GPa
39
116.00 GPa
18
Poisson Ratio
0.29
15
0.32
12
Other Mechanical Properties
NA
Ductile
Magnetic Properties
Magnetic Characteristics
Specific Gravity
1.74
99+
4.51
99+
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Properties
Electrical Property
Conductor
Poor Conductor
Resistivity
43.90 nΩ·m
99+
420.00 nΩ·m
12
Electrical Conductivity
0.23 106/cm Ω
7
0.02 106/cm Ω
99+
Electron Affinity
0.00 kJ/mol
40
7.60 kJ/mol
37
Thermal Properties
Specific Heat
1.02 J/(kg K)
4
0.52 J/(kg K)
9
Molar Heat Capacity
24.87 J/mol·K
99+
25.06 J/mol·K
99+
Thermal Conductivity
156.00 W/m·K
8
21.90 W/m·K
99+
Critical Temperature
Not Available
Not Available
Thermal Expansion
24.80 µm/(m·K)
15
8.60 µm/(m·K)
99+
Enthalpy
Enthalpy of Vaporization
128.70 kJ/mol
99+
429.00 kJ/mol
15
Enthalpy of Fusion
8.95 kJ/mol
39
15.48 kJ/mol
19
Enthalpy of Atomization
148.50 kJ/mol
99+
468.60 kJ/mol
15
Standard Molar Entropy
32.70 J/mol.K
99+
27.30 J/mol.K
99+
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